{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574872396",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x47b8f84f89d9bc29714bf5b59ecd67d3248414b499a276fd3f990bf1b3ceff3b",
    "signature": "0x9f30dfd1c0d5729c4e10443e54944471207f7c6c5c941271d0275d135226bc5b7365a7a27398e48af435320c0682e683ffc5c8fde08964924122d016c6d3481f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}